#ifndef _LENGTH_UNIT_H_
#define _LENGTH_UNIT_H_
#include <Unit.h>
#include <UnitMgr.h>

class LengthUnit: public Unit
{
public:
	static const LengthUnit& mile();
	static const LengthUnit& yard();
	static const LengthUnit& feet();
	static void initUnitTab();
        static UnitMgr<LengthUnit> unitMgr;
private:
	LengthUnit(const UnitAttribute & unitInitPara);
};
#endif
